In this Part—
"act" includes deliberate omission,
"groups" has the meaning given by section 10,
"the Commission" means the Commission for Equality and Human Rights,
"disabled person" has the meaning given by section 8,
"human rights" has the meaning given by section 9,
...
"race" includes colour, nationality, ethnic origin and national origin,
"religion or belief" has the same meaning as in section 10 of the Equality Act 2010, and
"sexual orientation" has the same meaning as in section 12 of the Equality Act 2010.
(a)persons of the same sex as him or her,
(b)persons of the opposite sex, or
(c)both.